Saturday, May 23, 2009

Tiger swallowtail butterflies “mud-puddling”

Pictured is a photograph of several tiger swallowtail butterflies mud-puddling. Mud puddling is a phenomenon that occurs when butterflies gather around an area that has moist soil that contains salt “NaCl”. The scene of mud-puddlers is very common around central Wisconsin. Shortly after a lone butterfly finds a good soil salt lick the remaining butterflies in the area will join in.

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